Trainer Efren Loza Jr. saddles Salt and Pepper (#2, ML 4-1) in Friday's seventh race at Gulfstream Park, a six-furlong maiden claimer. Since Jan. 1, 2014, Loza is winning at a 50 percent clip when saddling a horse making its first start, for a return on investment of $3.89.  Check out the Positive ROI report as part of DRF Plus. Sign up for DRF Plus here.